Fucking someone because you feel deeply sorry for them. Meaning has also extended to include fucking because you feel sorry for yourself. Could be the perfect present for someone trekking the Sahara.
- So you mercyfucked Jody?
- Yeah, she's a munter and I had to have the lights out but she was so damn grateful, it was kinda cute.
by selmabouvier December 19, 2003
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